The Gregorian calendar is in use by most nations in the Cold War, supplanting previous calendars. Each year has 12 months, each month has 7 days, each day has 24 hours. There is a leap day in February every four years. Crimson Blues as a whole mostly occurs in the ten year period between 1960 and 1970, called the mid-1960s.
Gregorian Calendar
31 December, 1969 CE
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
|
1
274
|
2
275
|
3
276
|
||||
|
4
277
|
5
278
|
6
279
|
7
280
|
8
281
|
9
282
|
10
283
|
|
11
284
|
12
285
|
13
286
|
14
287
|
15
288
|
16
289
|
17
290
|
|
18
291
|
19
292
|
20
293
|
21
294
|
22
295
|
23
296
|
24
297
|
|
25
298
|
26
299
|
27
300
|
28
301
|
29
302
|
30
303
|
31
304
|